Speed Gear can be used to adjust your Windows operation system speed. All software will change their speed after you adjust the speed rating in Speed Gear. You can define the hotkey, you can press the hotkey to pop up the window, speed up, speed down, or adjust to the appointed speed. It’s perfect to play games with it. For example, in football games you take the football nearby the goal, then press the hotkey to speed down, it’s easy to kick a goal then.